CVE-2023-21755: Windows Kernel Elevation of Privilege Vulnerability
First published: Tue Jan 10 2023(Updated: )
Windows Kernel Elevation of Privilege Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 1607 | ||
| Microsoft Windows 10 1607 | ||
| Microsoft Windows 10 1809 | ||
| Microsoft Windows 10 1809 | ||
| Microsoft Windows 10 1809 | ||
| Microsoft Windows 10 20h2 | ||
| Microsoft Windows 10 20h2 | ||
| Microsoft Windows 10 20h2 | ||
| Microsoft Windows 10 21h2 | ||
| Microsoft Windows 10 21h2 | ||
| Microsoft Windows 10 21h2 | ||
| Microsoft Windows 10 22h2 | ||
| Microsoft Windows 10 22h2 | ||
| Microsoft Windows 10 22h2 | ||
| Microsoft Windows 11 21h2 | ||
| Microsoft Windows 11 21h2 | ||
| Microsoft Windows 11 22h2 | ||
| Microsoft Windows 11 22h2 | ||
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 8.1 | ||
| Microsoft Windows 8.1 | ||
| Microsoft Windows RT 8.1 | ||
| Microsoft Windows Server 2008 | =sp2 | |
| Microsoft Windows Server 2008 | =sp2 | |
| Microsoft Windows Server 2008 | =r2-sp1 | |
| Microsoft Windows Server 2012 | ||
| Microsoft Windows Server 2012 | =r2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 10 | =20H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 11 | =21H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =1809 | |
| =sp1 | ||
| =sp1 | ||
| =sp2 | ||
| =sp2 | ||
| =r2-sp1 | ||
| =r2 | ||
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Reference Links
Frequently Asked Questions
What is CVE-2023-21755?
CVE-2023-21755 is a Windows Kernel Elevation of Privilege Vulnerability.
Which software are affected by CVE-2023-21755?
Microsoft Windows Server 2016, Microsoft Windows 10 20h2, Microsoft Windows Server 2019, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows 11.
What is the severity level of CVE-2023-21755?
CVE-2023-21755 has a severity level of 7.8 (high).
How can I fix CVE-2023-21755?
Please visit the following link for remediation steps: [link](https://support.microsoft.com/help/5022282)
Where can I find more information about CVE-2023-21755?
You can find more information about CVE-2023-21755 at the following link: [link](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21755)
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- canonical/microsoft windows 10 1607
- canonical/microsoft windows 10 1809
- canonical/microsoft windows 10 20h2
- canonical/microsoft windows 10 21h2
- canonical/microsoft windows 10 22h2
- canonical/microsoft windows 11 21h2
- canonical/microsoft windows 11 22h2
- canonical/microsoft windows 7
- version/microsoft windows 7/sp1
- canonical/microsoft windows 8.1
- canonical/microsoft windows rt 8.1
- canonical/microsoft windows server 2008
- version/microsoft windows server 2008/sp2
- version/microsoft windows server 2008/r2-sp1
- canonical/microsoft windows server 2012
- version/microsoft windows server 2012/r2
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- canonical/microsoft windows 11
- version/microsoft windows 11/22h2
- version/microsoft windows 10/22h2
- version/microsoft windows 11/21h2
- version/microsoft windows 10/1809